Home / 481,506.14-721,865.12-181,816.66

Finding the Fourth Proportional to 481,506.14, 721,865.12 and 181,816.66

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Solution

The fourth proportional to 481,506.14, 721,865.12 and 181,816.66 is: 272,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,506.14 : 721,865.12 = 181,816.66 : x
  2. Step 2: Convert to fraction form
    481,506.14/721,865.12 = 181,816.66/x
  3. Step 3: Cross multiply
    481,506.14x = 721,865.12 × 181,816.66
  4. Step 4: Simplify right side
    481,506.14x = 131,247,105,088.90
  5. Step 5: Solve for x
    x = 131,247,105,088.90/481,506.14
  6. Step 6: Final answer
    x = 272,576.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.